Re: [PATCH] tracing: report buffer memory in /proc/meminfo

[Lorenzo Stoakes (ARM)]

On Mon, Aug 10, 2026 at 12:52:38PM +0200, David Hildenbrand (Arm) wrote:
> On 8/10/26 11:40, Xiang Gao wrote:
> > Report the data capacity of all ftrace ring buffers through a new Ftrace
> > field in /proc/meminfo. Include the main and snapshot buffers of the
> > global trace array and all tracing instances, while leaving ring-buffer
> > metadata accounted for by Slab.
>
> why? :)
>
> To report a handful of KiB as in your example below? Doesn't sound super helpful
> TBH.

Yeah I think we need to stop with all the proposed additions to /proc/meminfo :)

Also something like this where you are making a change in output that it is just
your opinion that it is useful should be an RFC to see what the community thinks
first.

>
> --
> Cheers,
>
> David

--
Cheers, Lorenzo